Original Research

In vitro antimicrobial susceptibility of Staphylococcus aureus strains from dairy herds in KwaZulu-Natal

T. Schmidt
Journal of the South African Veterinary Association | Vol 82, No 2 | a38 | DOI: https://doi.org/10.4102/jsava.v82i2.38 | © 2011 T. Schmidt | This work is licensed under CC Attribution 4.0
Submitted: 10 April 2011 | Published: 11 April 2011

About the author(s)

T. Schmidt, Allerton Provincial Veterinary Laboratory, Private Bag X2, Cascades, 3202 South Africa., South Africa

Full Text:

PDF (166KB)

Abstract

Staphylococcus aureus is 1 of the most important causes of bovine mastitis and is responsible for significant economic losses to the dairy industry worldwide. One of the principal approaches used in treating intramammary infections is the administration of antimicrobials. Due to the propensity of S. aureus to develop resistance, antimicrobial susceptibility monitoring is necessary to ensure that treatment regimens are effective. As part of this investigation, 90 S. aureus strains isolated from mastitis cases submitted to Allerton Provincial Veterinary Laboratory during 2008 and 2009 were evaluated for their susceptibility to a panel of 10 antimicrobials. Only 8 of the 90 S. aureus isolates tested (8.9 %) were found to be susceptible to all of the antimicrobials evaluated. A very high level of resistance to the beta-lactam antibiotics was noted: 47.8 % of the isolates were resistant to penicillin and 65.6 % were resistant to ampicillin. Minimal resistance to oxacillin, cephalothin and trimethoprim-sulfamethoxazole (1.1 %) was found. Seventeen (18.9 %) of the isolates tested were found to be resistant to 3 or more antimicrobials. The need for vigilant monitoring of bacterial resistance trends in the dairy industry is warranted as the potential public health implications are significant.

Keywords

No related keywords in the metadata.

Metrics

Total abstract views: 4082
Total article views: 3088

 

Crossref Citations

1. Prevalence and antibiotic susceptibility pattern of methicillin-resistant Staphylococcus aureus isolated from bovine raw milk in Njombe region, Tanzania
George J. Sanga, Athumani M. Lupindu, Abubakar S. Hoza
German Journal of Veterinary Research  vol: 2  issue: 2  first page: 1  year: 2022  
doi: 10.51585/gjvr.2022.2.0029

2. Diversity and antimicrobial susceptibility profiling of staphylococci isolated from bovine mastitis cases and close human contacts
T. Schmidt, M.M. Kock, M.M. Ehlers
Journal of Dairy Science  vol: 98  issue: 9  first page: 6256  year: 2015  
doi: 10.3168/jds.2015-9715

3. A comparative evaluation of methicillin-resistant staphylococci isolated from harness racing-horses, breeding mares and riding-horses in Italy
Karina Mallardo, Sandra Nizza, Filomena Fiorito, Ugo Pagnini, Luisa De Martino
Asian Pacific Journal of Tropical Biomedicine  vol: 3  issue: 3  first page: 169  year: 2013  
doi: 10.1016/S2221-1691(13)60044-1

4. Assessment of animal diseases caused by bacteria resistant to antimicrobials: cattle
Søren Saxmose Nielsen, Dominique Joseph Bicout, Paolo Calistri, Elisabetta Canali, Julian Ashley Drewe, Bruno Garin‐Bastuji, Jose Luis Gonzales Rojas, Christian Gortazar Schmidt, Mette Herskin, Virginie Michel, Miguel Angel Miranda Chueca, Barbara Padalino, Paolo Pasquali, Helen Clare Roberts, Hans Spoolder, Karl Stahl, Antonio Velarde, Arvo Viltrop, Christoph Winckler, Jeroen Dewulf, Luca Guardabassi, Friederike Hilbert, Rodolphe Mader, Francesca Baldinelli, Julio Alvarez
EFSA Journal  vol: 19  issue: 12  year: 2021  
doi: 10.2903/j.efsa.2021.6955

5. Molecular characterization ofStaphylococcus aureusstrains in bovine mastitis milk in Bangladesh
M.N. Hoque, Z.C. Das, A.N.M.A. Rahman, M.G. Haider, M.A. Islam
International Journal of Veterinary Science and Medicine  vol: 6  issue: 1  first page: 53  year: 2018  
doi: 10.1016/j.ijvsm.2018.03.008

6. Occurrence and antibiotic resistance profiles of mastitis pathogens in North West South African dairy herds
Lydia C. Sizana, Oriel Thekisoe, Ofosuhene O. Apenteng, Kgaugelo E. Lekota, Tsepo Ramatla
Frontiers in Animal Science  vol: 7  year: 2026  
doi: 10.3389/fanim.2026.1834437

7. Investigation of the lytic ability of South African bacteriophages specific forStaphylococcus aureus, associated with bovine mastitis
I.H. Basdew, M.D. Laing
Biocontrol Science and Technology  vol: 25  issue: 4  first page: 429  year: 2015  
doi: 10.1080/09583157.2014.983458

8. Proactive udder health management in South Africa and monitoring of antibiotic resistance of Staphylococcus aureus in dairy herds from 2001 to 2010
Joanne Karzis, Inge-Marie Petzer, Edward F. Donkin, Vinny Naidoo
Journal of the South African Veterinary Association  vol: 89  year: 2018  
doi: 10.4102/jsava.v89i0.1490

9. Prevalence and antimicrobial drug resistance of Staphylococcus aureus isolated from cow milk samples
Matlale Phriskey Mphahlele, James Wabwire Oguttu, Inge-Marie Petzer, Daniel Nenene Qekwana
Veterinary World  vol: 13  issue: 12  first page: 2736  year: 2020  
doi: 10.14202/vetworld.2020.2736-2742